deaths (OS)progression or deaths (PFS)RFS/DFS

es-BC - HER2 negative - (neo)adjuvant (NA) breast cancer - HER2-positive es-BC - HER2 negative - (neo)adjuvant (NA)

es-BC - HER2 positive - (neo)adjuvant (NA) breast cancer - HER2-positive es-BC - HER2 positive - (neo)adjuvant (NA)

versus trastuzumab
trastuzumab emtansine vs. trastuzumab 1 certainty unassessable-28%--
versus trastuzumab plus endocrine therapy
trastuzumab emtansine vs. trastuzumab plus endocrine therapy 1 ---
trastuzumab emtasine plus endocrine therapy vs. trastuzumab plus endocrine therapy 1 ---

la/mBC - HER2 positive - 1st Line (L1) breast cancer - HER2-positive la/mBC - HER2 positive la/mBC - HER2 positive - 1st Line (L1)

la/mBC - HER2 positive - 2nd Line (L2) breast cancer - HER2-positive la/mBC - HER2 positive la/mBC - HER2 positive - 2nd Line (L2)

versus lapatinib plus capecitabine
trastuzumab emtansine vs. lapatinib plus capecitabine 1 certainty unassessablestatistically conclusive-29% certainty unassessablestatistically conclusive-32%-
versus trastuzumab emtansine
trastuzumab deruxtecan vs. trastuzumab emtansine 1 certainty unassessable-41% certainty unassessable-66%-